package com.itheima.reggie.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import com.itheima.reggie.common.JacksonObjectMapper;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

@Configuration
@EnableKnife4j
@EnableSwagger2
public class WebmvcConfig extends WebMvcConfigurationSupport {
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        //管理页面端配置
        registry.addResourceHandler("/backend/**").
                 addResourceLocations("classpath:/backend/");

        //客户端页面配置
        registry.addResourceHandler("/front/**").
                addResourceLocations("classpath:/front/");

        //设置静态资源映射
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }
    //自定义mvc的消息转化规则
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
      //1.创建消息转化器对象
        MappingJackson2HttpMessageConverter converter=new MappingJackson2HttpMessageConverter();

      //2.设置消息转化器中的对象
        converter.setObjectMapper(new JacksonObjectMapper());
      //3.将消息转化器设置到spring消息转化器集合中
        converters.add(0,converter);
    }


    @Bean
    public Docket createRestApi() {
        // 文档类型
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.itheima.reggie.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .version("1.0")
                .description("瑞吉外卖接口文档")
                .build();
    }
}
